Water Storage Facilities Flashcards
Which type of storage facility is used for filtered water from water treatment plants?
a. Clear well
b. Elevated tank
c. Pressure tank
d. Standpipe
Clear well
What is the primary purpose of elevated tanks?
a. To attract commercial and industrial development
b. To enhance the scenery in a community
c. To maintain adequate and fairly uniform pressure to a service area
d. To prevent graffiti and vandalism to storage facilities
To maintain adequate and fairly uniform pressure to a service area
Why should reservoirs be covered?
a. To reduce the possibility of contamination
b. To reduce the amount of evaporation
c. To reduce the amount of paint required to cover reservoir surfaces
d. To reduce the time required for inspections
To reduce the possibility of contamination
How do surge arrestors protect piping systems from hydraulic transients?
a. By shutting down pumps in the water system
b. By controlling unusual velocity changes
c. By recording changes in flow rates
d. By sounding an alarm
By controlling unusual velocity changes
What is an advantage of using surge control valves in a water distribution system?
a. Easy to purchase
b. Easy to justify cost
c. Easy to fit into plant
d. Easy to buy replacements parts
Easy to fit into plant
What is the main function of a distribution storage facility?
a. To allow operators time for training during periods of low demand
b. To keep facilities operating during minimus how periods
c. To provide for park facilities in conjunction with the storage facilities
d. To take care of daily demands and especial peak demands
To take care of daily demands and especial peak demands
Which change in water levels occurs during peak demand in distribution storage facilities?
a. Water levels drop
b. Water levels rise
c. Water levels remain steady
d. Water levels vary
Water levels drop
What do turbidity units (TU) measure in water systems?
a. Acidity of water
b. Pollution of water
c. Cloudiness of water
d. Temperature of water
Cloudiness of water
Which types of maintenance are discussed in this chapter?
a. Preventive, predictive, corrective
b. Collateral, standard, reactive
c. Regulated, structured, prescribed
d. Designated, scripted, legislated
Preventive, predictive, corrective
Which substance in the water influences the rate of corrosion in a storage facility?
a. Carbon monoxide
b. Dissolved oxygen
c. Sulfate-increasing bacteria
d. Dissolved solvents.
Dissolved oxygen
Where should a water system store nameplate data?
a. With personnel records
b. With financial records
c. With equipment records
d. With timesheet records
With equipment records
In which areas of a storage facility should safety treads be installed?
a. Regulator stations
b. Storage facility stairs
c. Storage tank doors
d. Centrifugal pumps
Storage facility stairs